ICD-10 · PDGM grouping
S33 Dislocation and sprain of joints and ligaments of lumbar spine and pelvis
All 57 codes in the S33 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
57
Can lead a claim
48
Cannot lead a claim
9
What CMS assigns to S33
48 of the 57 codes group to Musculoskeletal Rehabilitation; 9 are assigned no clinical group. None of the 57 is assigned a comorbidity subgroup. 48 of the 57 can lead a claim.
Every code in S33
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| S33.0 Traumatic rupture of lumbar intervertebral disc | ||||
| S33.0XXA | Traumatic rupture of lumbar intervertebral disc, initial encounterCMS: Traumatic rupture of lumbar intervertebral disc, init encntr | Can lead a claim | E | None |
| S33.0XXD | Traumatic rupture of lumbar intervertebral disc, subsequent encounterCMS: Traumatic rupture of lumbar intervertebral disc, subs encntr | Can lead a claim | E | None |
| S33.0XXS | Traumatic rupture of lumbar intervertebral disc, sequela | Can lead a claim | E | None |
| S33.1 Subluxation and dislocation of lumbar vertebra | ||||
| S33.10 Subluxation and dislocation of unspecified lumbar vertebra | ||||
| S33.100 Subluxation of unspecified lumbar vertebra | ||||
| S33.100A | Subluxation of unspecified lumbar vertebra, initial encounterCMS: Subluxation of unspecified lumbar vertebra, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.100D | Subluxation of unspecified lumbar vertebra, subsequent encounterCMS: Subluxation of unspecified lumbar vertebra, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.100S | Subluxation of unspecified lumbar vertebra, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.101 Dislocation of unspecified lumbar vertebra | ||||
| S33.101A | Dislocation of unspecified lumbar vertebra, initial encounterCMS: Dislocation of unspecified lumbar vertebra, init encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.101D | Dislocation of unspecified lumbar vertebra, subsequent encounterCMS: Dislocation of unspecified lumbar vertebra, subs encntr | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.101S | Dislocation of unspecified lumbar vertebra, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.11 Subluxation and dislocation of L1/L2 lumbar vertebra | ||||
| S33.110 Subluxation of L1/L2 lumbar vertebra | ||||
| S33.110A | Subluxation of L1/L2 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.110D | Subluxation of L1/L2 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.110S | Subluxation of L1/L2 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.111 Dislocation of L1/L2 lumbar vertebra | ||||
| S33.111A | Dislocation of L1/L2 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.111D | Dislocation of L1/L2 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.111S | Dislocation of L1/L2 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.12 Subluxation and dislocation of L2/L3 lumbar vertebra | ||||
| S33.120 Subluxation of L2/L3 lumbar vertebra | ||||
| S33.120A | Subluxation of L2/L3 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.120D | Subluxation of L2/L3 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.120S | Subluxation of L2/L3 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.121 Dislocation of L2/L3 lumbar vertebra | ||||
| S33.121A | Dislocation of L2/L3 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.121D | Dislocation of L2/L3 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.121S | Dislocation of L2/L3 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.13 Subluxation and dislocation of L3/L4 lumbar vertebra | ||||
| S33.130 Subluxation of L3/L4 lumbar vertebra | ||||
| S33.130A | Subluxation of L3/L4 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.130D | Subluxation of L3/L4 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.130S | Subluxation of L3/L4 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.131 Dislocation of L3/L4 lumbar vertebra | ||||
| S33.131A | Dislocation of L3/L4 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.131D | Dislocation of L3/L4 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.131S | Dislocation of L3/L4 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.14 Subluxation and dislocation of L4/L5 lumbar vertebra | ||||
| S33.140 Subluxation of L4/L5 lumbar vertebra | ||||
| S33.140A | Subluxation of L4/L5 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.140D | Subluxation of L4/L5 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.140S | Subluxation of L4/L5 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.141 Dislocation of L4/L5 lumbar vertebra | ||||
| S33.141A | Dislocation of L4/L5 lumbar vertebra, initial encounter | Can lead a claim | E | None |
| S33.141D | Dislocation of L4/L5 lumbar vertebra, subsequent encounter | Can lead a claim | E | None |
| S33.141S | Dislocation of L4/L5 lumbar vertebra, sequela | Can lead a claim | E | None |
| S33.2 Dislocation of sacroiliac and sacrococcygeal joint | ||||
| S33.2XXA | Dislocation of sacroiliac and sacrococcygeal joint, initial encounterCMS: Dislocation of sacroiliac and sacrococcygeal joint, init | Can lead a claim | E | None |
| S33.2XXD | Dislocation of sacroiliac and sacrococcygeal joint, subsequent encounterCMS: Dislocation of sacroiliac and sacrococcygeal joint, subs | Can lead a claim | E | None |
| S33.2XXS | Dislocation of sacroiliac and sacrococcygeal joint, sequela | Can lead a claim | E | None |
| S33.3 Dislocation of other and unspecified parts of lumbar spine and pelvis | ||||
| S33.30 Dislocation of unspecified parts of lumbar spine and pelvis | ||||
| S33.30XA | Dislocation of unspecified parts of lumbar spine and pelvis, initial encounterCMS: Dislocation of unsp parts of lumbar spine and pelvis, init | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.30XD | Dislocation of unspecified parts of lumbar spine and pelvis, subsequent encounterCMS: Dislocation of unsp parts of lumbar spine and pelvis, subs | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.30XS | Dislocation of unspecified parts of lumbar spine and pelvis, sequelaCMS: Dislocation of unsp parts of lumbar spine & pelvis, sequela | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| S33.39 Dislocation of other parts of lumbar spine and pelvis | ||||
| S33.39XA | Dislocation of other parts of lumbar spine and pelvis, initial encounterCMS: Dislocation of oth prt lumbar spine and pelvis, init encntr | Can lead a claim | E | None |
| S33.39XD | Dislocation of other parts of lumbar spine and pelvis, subsequent encounterCMS: Dislocation of oth prt lumbar spine and pelvis, subs encntr | Can lead a claim | E | None |
| S33.39XS | Dislocation of other parts of lumbar spine and pelvis, sequelaCMS: Dislocation of oth parts of lumbar spine and pelvis, sequela | Can lead a claim | E | None |
| S33.4 Traumatic rupture of symphysis pubis | ||||
| S33.4XXA | Traumatic rupture of symphysis pubis, initial encounter | Can lead a claim | E | None |
| S33.4XXD | Traumatic rupture of symphysis pubis, subsequent encounter | Can lead a claim | E | None |
| S33.4XXS | Traumatic rupture of symphysis pubis, sequela | Can lead a claim | E | None |
| S33.5 Sprain of ligaments of lumbar spine | ||||
| S33.5XXA | Sprain of ligaments of lumbar spine, initial encounter | Can lead a claim | E | None |
| S33.5XXD | Sprain of ligaments of lumbar spine, subsequent encounter | Can lead a claim | E | None |
| S33.5XXS | Sprain of ligaments of lumbar spine, sequela | Can lead a claim | E | None |
| S33.6 Sprain of sacroiliac joint | ||||
| S33.6XXA | Sprain of sacroiliac joint, initial encounter | Can lead a claim | E | None |
| S33.6XXD | Sprain of sacroiliac joint, subsequent encounter | Can lead a claim | E | None |
| S33.6XXS | Sprain of sacroiliac joint, sequela | Can lead a claim | E | None |
| S33.8 Sprain of other parts of lumbar spine and pelvis | ||||
| S33.8XXA | Sprain of other parts of lumbar spine and pelvis, initial encounterCMS: Sprain of oth parts of lumbar spine and pelvis, init encntr | Can lead a claim | E | None |
| S33.8XXD | Sprain of other parts of lumbar spine and pelvis, subsequent encounterCMS: Sprain of oth parts of lumbar spine and pelvis, subs encntr | Can lead a claim | E | None |
| S33.8XXS | Sprain of other parts of lumbar spine and pelvis, sequela | Can lead a claim | E | None |
| S33.9 Sprain of unspecified parts of lumbar spine and pelvis | ||||
| S33.9XXA | Sprain of unspecified parts of lumbar spine and pelvis, initial encounterCMS: Sprain of unsp parts of lumbar spine and pelvis, init encntr | Can lead a claim | E | None |
| S33.9XXD | Sprain of unspecified parts of lumbar spine and pelvis, subsequent encounterCMS: Sprain of unsp parts of lumbar spine and pelvis, subs encntr | Can lead a claim | E | None |
| S33.9XXS | Sprain of unspecified parts of lumbar spine and pelvis, sequelaCMS: Sprain of unsp parts of lumbar spine and pelvis, sequela | Can lead a claim | E | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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